How do I create a link to another page of the site?

Go the page where you want to create a link. Hover over the triangle above the html text module and select Edit Content. Select the text or image that you would like to make a link of and click on the Hyperlink Manager, it is the button with the globe with a chain link on it or use the keyboard shortcut (CTRL +K). On the Page field, select the page from the drop down menu to point your link to. Click Ok. To learn with more details on How to Create a Link, please read this Tutorial.